@charset "UTF-8";

/* Normalize
--------------------------------*/
html,
body,
div,
header,
footer,
main,
article,
section,
aside,
nav,
figure,
figcaption {
  display: block;
  margin: 0;
  padding: 0;
}

html {
  line-height: 1.6;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 1em;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  line-break: strict;
}

body {
  overflow-x: hidden;
  background: #fff;
  color: #111;
}

a {
  color: inherit;
  transition: .3s;
}

ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

dl,
dt,
dd {
  margin: 0;
  padding: 0;
}

p {
  margin: 0;
}

img,
iframe {
  max-width: 100%;
  vertical-align: middle;
  border: 0;
}

img {
  height: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}

th,
td {
  vertical-align: baseline;
  border: 1px solid;
  text-align: left;
}

/* Remove Margin
--------------------------------*/
*:first-child,
.paragraph:first-child,
.widget:first-child,
.post:first-child {
  margin-top: 0;
}

*:last-child,
.paragraph:last-child,
.widget:last-child,
.post:last-child {
  margin-bottom: 0;
}

/* Heading
--------------------------------*/
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.25;
  margin: 0;
  font-weight: 700;
}

/* Common
--------------------------------*/
.cf:after {
  display: block;
  clear: both;
  content: "";
}

.f_left {
  float: left;
}

.f_right {
  float: right;
}

.center {
  text-align: center;
}

/* Site Width
--------------------------------*/
.site {
  max-width: 720px;
  margin: 0 auto;
}

.backnumber {
  margin: 64px 0 32px;
}

.backnumber__caption {
  line-height: 1;
  margin: 0 0 24px;
  padding: 0;
  border: 0;
  font-size: 1em;
  text-align: center;
}

.backnumber-banner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 680px;
  margin: 0 auto;
}

.backnumber-banner__item {
  flex: 0 0 334px;
  margin-top: 10px;
}

.backnumber-banner__item:nth-child(-n+2) {
  margin-top: 0;
}

footer {
  padding-bottom: 32px;
  text-align: center;
}

/* Main
--------------------------------*/
main {
  font-family: "FOT-筑紫ゴシック Pr5 R", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: .875em;
}

main p {
  text-align: justify;
  margin: 1em 0;
}

main p:first-child {
  margin-top: 0;
}

main p:last-child {
  margin-bottom: 0;
}

article:after,
section:after {
  display: block;
  clear: both;
  content: "";
}

h2,
h3,
.btn,
.bridge-type {
  font-family: "Hiragino Mincho ProN", "游明朝", serif;
  letter-spacing: .4em;
  text-align: center;
}

h2 {
  margin-bottom: 20px;
  border-bottom: 1px solid;
  font-size: 22px;
}

h2:before,
h2:after,
.stone-bridge-column > h3:after,
.stone-bridge-topic > h3:after {
  display: block;
  margin: 6px 0;
  font-size: 10px;
  letter-spacing: .4em;
  speak: none;
}

h2:after {
  content: "Amakusa Bridge Special";
}

.name {
  font-weight: 700;
}

.event .tagline {
  margin: 30px 0;
  text-align: center;
}

.link {
  text-align: center;
}

.btn {
  display: inline-block;
  max-width: 100%;
  min-width: 350px;
  box-sizing: border-box;
  padding: 8px 20px;
  border: 2px solid;
  border-radius: 0;
  background: #fff;
  color: #1b3a4e;
  font-size: 21px;
  text-decoration: none;
  text-transform: uppercase;
}

.more {
  text-align: right;
}

.more > a:before {
  vertical-align: top;
  content: ">\a0";
}

section {
  margin-top: 80px;
}

.event-head {
  text-align: center;
}

.five-bridges {
  position: relative;
  min-height: 218px;
  margin: 60px auto 80px;
  padding-left: 380px;
}

.bridge-2,
.bridge-4 {
  padding-right: 380px;
  padding-left: 0;
}

.bridge-photo {
  position: relative;
  max-width: 704px;
  margin: auto;
  text-align: center;
}

.five-bridges > .bridge-photo {
  position: absolute;
  top: 0;
  left: 0;
  width: 354px;
}

.bridge-2 > .bridge-photo,
.bridge-4 > .bridge-photo {
  right: 0;
  left: auto;
}

.bridge-photo > img {
  border: 2px solid;
}

.bridge-name {
  font-size: 22px;
}

h3.bridge-name:before {
  display: block;
  line-height: 0;
  margin: 30px 0 20px;
  content: url(/assets/images/old-plan/bridge/bridge1.svgz);
}

.bridge-2 .bridge-name:before {
  content: url(/assets/images/old-plan/bridge/bridge2.svgz);
}

.bridge-3 .bridge-name:before {
  content: url(/assets/images/old-plan/bridge/bridge3.svgz);
}

.bridge-4 .bridge-name:before {
  content: url(/assets/images/old-plan/bridge/bridge4.svgz);
}

.bridge-5 .bridge-name:before {
  content: url(/assets/images/old-plan/bridge/bridge5.svgz);
}

.no-svg .bridge-1 .bridge-name:before {
  content: url(/assets/images/old-plan/bridge/bridge1.png);
}

.no-svg .bridge-2 .bridge-name:before {
  content: url(/assets/images/old-plan/bridge/bridge2.png);
}

.no-svg .bridge-3 .bridge-name:before {
  content: url(/assets/images/old-plan/bridge/bridge3.png);
}

.no-svg .bridge-4 .bridge-name:before {
  content: url(/assets/images/old-plan/bridge/bridge4.png);
}

.no-svg .bridge-5 .bridge-name:before {
  content: url(/assets/images/old-plan/bridge/bridge5.png);
}

.bridge-type {
  margin: 5px 0 30px;
  font-size: 12px;
}

.bridge-data > .caption:before {
  content: "■ ";
}

.bridge-data > ul {
  list-style: none;
  padding: 0;
}

.bridge-structure {
  margin: 40px auto;
  padding: 0 14px 14px;
  border: 1px solid #1b3a4e;
}

.bridge-structure > h3 {
  padding: 7px;
  margin: 0 -14px 15px;
  background: #1b3a4e;
  color: #fff;
  font-family: inherit;
  font-weight: bold;
  font-size: 16px;
  letter-spacing: 0;
}

.bridge-structure > .graph {
  float: left;
  width: 300px;
  margin: 30px auto;
}

.bridge-structure > dl {
  margin-left: 330px;
  padding: 10px;
  background: #ebf4f7;
  counter-reset: bs;
}

.bridge-structure dt {
  counter-increment: bs;
}

.bridge-structure dt:before {
  content: "(" counter(bs) ") ";
}

.bridge-structure dd + dt {
  margin-top: 1em;
}

.bridge-history {
  padding-bottom: 20px;
}

.bridge-history1 {
  margin-bottom: 0;
  padding-bottom: 20px;
  background: #1b3a4e;
  color: #fff;
}

section.bridge-history2,
section.bridge-history3 {
  margin-top: 0;
  margin-bottom: 0;
  background: #e9e9e9;
}

.bridge-history > h2 {
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -ms-flex-direction: column;
  -webkit-flex-direction: column;
  flex-direction: column;
  -ms-align-items: center;
  -webkit-align-items: center;
  align-items: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  height: 200px;
  padding: 50px 0;
  border: 0;
  background: url(/assets/images/old-plan/bridge/bg_history1.jpg) no-repeat 50% 50% #ccc;
  -webkit-background-size: cover;
  background-size: cover;
  color: #fff;
}

.bridge-history2 > h2 {
  background-image: url(/assets/images/old-plan/bridge/bg_history2.jpg);
}

.bridge-history3 > h2 {
  background-image: url(/assets/images/old-plan/bridge/bg_history3.jpg);
}

.bridge-history > h2:before {
  margin: 0 0 10px;
  content: "Amakusa Bridge History";
}

.bridge-history > h2:after {
  content: none;
}

.bridge-history > section {
  margin-top: 50px;
  padding: 0 20px;
}

.bridge-history h3 {
  margin-bottom: 5px;
  font-family: inherit;
  font-weight: bold;
  font-size: 1.143em;
  text-align: left;
  letter-spacing: 0;
}

.bridge-history1 .bridge-photo {
  float: left;
  width: 344px;
  margin-right: 20px;
}

.bridge-history1 > section:first-of-type > .bridge-photo {
  width: 180px;
}

.bridge-history2 .biography {
  list-style: square;
  padding-left: 1.5em;
}

.bridge-portrait {
  margin-bottom: 1.5em;
  text-align: center;
}

.bridge-related-link {
  margin-top: 2.5em;
}

.other-bridge-photo {
  margin-top: 20px;
  margin-bottom: 20px;
}

.other-bridge-photo > figcaption {
  position: absolute;
  top: 0;
  left: 0;
  width: 30px;
  line-height: 30px;
  background: #000;
  color: #fff;
}

.other-bridge-photo1,
.stone-bridge-photo1,
.stone-bridge-photo3,
.stone-bridge-photo5,
.stone-bridge-topic-photo1 {
  float: left;
  width: 346px;
  margin-left: 10px;
}

.other-bridge-photo2,
.stone-bridge-photo2,
.stone-bridge-photo4,
.stone-bridge-photo6,
.stone-bridge-topic-photo2 {
  float: right;
  width: 346px;
  margin-right: 10px;
}

.other-bridge {
  clear: both;
  margin: 20px 0;
  padding: 0 10px;
}

.other-bridge > .name + p {
  margin-top: 0;
}

.stone-bridge-column {
  margin: 40px 0 0;
  padding: 20px 0;
  background: #e6e4dc;
}

.stone-bridge-topic {
  margin: 0;
  padding: 20px 10px;
  background: #1b3a4e;
  color: #fff;
}

.stone-bridge-column > h3,
.stone-bridge-topic > h3 {
  margin-bottom: 30px;
  font-size: 21px;
}

.stone-bridge-column > h3:after {
  content: "Column";
}

.stone-bridge-topic > h3:after {
  content: "Topic";
}

.stone-bridge-topic > .bridge-photo {
  float: left;
  width: 200px;
  margin: 0 20px 30px 0;
}

.stone-bridge-topic-photos {
  clear: both;
  overflow: hidden;
}

.stone-bridge-topic-photos > figcaption {
  margin-bottom: 5px;
  font-weight: bold;
  font-size: 1.2em;
}

.stone-bridge-topic-photos > figcaption:before,
.bridge-list > figcaption:before {
  content: "■";
}

.stone-bridge-topic-photos > figure {
  margin: 0;
  text-align: left;
}

#map {
  height: 560px;
  margin-bottom: 20px;
}

#map > iframe {
  width: 100%;
  height: 100%;
}

.bridge-list > ul {
  list-style: none;
  padding: 0;
}

.bridge-staff {
  list-style: none;
  overflow: hidden;
  padding: 0;
}

.bridge-staff > li {
  float: left;
  width: 33.3%;
  margin-top: 20px;
  text-align: center;
}

.bridge-staff .name {
  display: block;
  margin-top: 4px;
}